*smith&nephew EP-FIT PLUS Cementless Press-Fit Cup System. Product Information

Transcription

1 Product Information *smith&nephew EP-FIT PLUS Cementless Press-Fit Cup System

2 EP-FIT PLUS Press-Fit Acetabular Cup System A new generation in press-fit cup technology Proven anchoring concept in combination with the latest technology for precision work and reproducible implantation results. The full product range, including three different inlay materials, allows specific care to match the patient s individual requirements. REXPOL /Polyethylene OXINIUM REXPOL/Polyethylene Ceramic REXPOL/Polyethylene Metal Ceramic Ceramic 02 Product Information

3 EP-FIT PLUS Form-locking seat of the inserts avoids microscopic movements and prevents wear. Biomechanically optimised press-fit Large bone contact surface in the primary anchoring zone Minimum bone rexection Open-pored titanium vacuum plasma coating High surface roughness Polyethylene inserts with a minimum thickness of 6 mm in the principal load zone 1 Perfect connection between socket and insert through congruence of the internal shell surface and the external geometry of the insert. Durable and safe snap mechanism 1 for polyethylene/rexpol Standard and Hooded inserts. Tapered clamp fit to secure the seating of the direct-anchored ceramic and metal inserts. 03

4 Excellent primary stability... The «Triple Radius Profile» (TRP) is formed by three nonincremental radii generating a high initial press-fit. There are three zones with the following biomechanical functions: Radius 1: Primary anchoring zone Specific oversize which provides ultimate protection against tilting. Radius 2: Transition zone Successive tension degradation in the direction of the pole, to avoid tension peaks. Radius 3: Pole zone Defined cavity between socket pole and base of the acetabulum prevents stress in the central region Force Lever-out test Highly stable anchoring through large contact area between bone and implant. Optimal bone relief through avoidance of implant-bone contact in the pole area. Use of prestress to generate excellent primary stability.* Additional ribs to improve the rotational stability of the implant. * Demonstrated by lever-out test experiments Comparison Lever-out test EP-FIT PLUS EPF PLUS T P R D A Implant type 04 Product Information

5 EP-FIT PLUS... and safe, long-term osseointegration resulting in excellent secondary stability. The components are coated with high grade, open-pored pure titanium applied by vacuum plasma spray. Titanium plasma coating Thickness*: 240 µm Titanium base layer Thickness: 35 µm Base material Pure titanium ISO * Average coating thickness according to ASTM F 1854 Total roughness (Rt) μm 100 u 100 µm The hydroxyapatite layer is applied to the open-pored titanium plasma coating in the same process step. The result: excellent adhesion. Hydroxyapatite (HA) on titanium plasma Thickness of coating: 50 μm The high total roughness (Rt) of μm is maintained. The total thickness* of the titanium plasma/hydroxylapatite ceramic coating is 275 μm and therefore remains unchanged. 05

6 Product Portfolio High flexibility for the surgeon thanks to an advanced and fully developed product portfolio. Shells without screw hole 2 screw holes Inserts PE-/REXPOL Standard PE-/REXPOL Hooded Ball heads OXINIUM (XS, S, M, L, XL) CoCr Standard (S, M, L, XL) BIOLOX forte (S, M, L) BIOLOX delta (S, M, L, XL) Shells Design ø size in mm (graduated in 2 mm increments) Ti plasma Without screw hole x x 2 screw holes x x 3 screw holes x x 6 screw holes/multihole x HA 06 Product Information

7 EP-FIT PLUS 3 screw holes 6 screw holes/multihole BIOLOX delta BIOLOX OPTION (S, M, L, XL) Inserts Ballhead ø / size in mm Design PE Insert Standard 40 44/46/48/50 46/48/50 52/54 56/ /54 56/58 68 PE Insert Hooded 46/48/50 52/54 56/ /54 56/58 68 REXPOL Insert Standard 46/48/50 52/54 56/ /54 56/ /54 56/58 68 REXPOL Insert Hooded 46/48/50 52/54 56/ /54 56/58 68 Insert BIOLOX delta 46/48/50 52/54 56/ /54 56/58 68 BIOLOX forte, BIOLOX delta and BIOLOX OPTION are registered trademarks of CeramTec AG, Germany. 07

8 Manufacturer Smith & Nephew Orthopaedics AG Oberneuhofstrasse 10d 6340 Baar Switzerland Contact Trademark of Smith & Nephew. Lit. no en (1325) Ed. 02/